<template>
    <div class="newsForm">
      <!-- element组件库的Dialog对话框默认可以通过点击 modal 关闭 Dialog，即点击空白处弹框可关闭。 -->
      <!-- :visible.sync 子组键改变父组件的值 控制子组件的显示-->
      <el-dialog title="新增新闻" :visible.sync="editDialogIsShow" :before-close="handleClose" :close-on-click-modal="false">
      <el-form :model="news" label-width="80px"  :rules="editNewsRules" ref="editNewsForm">
        <el-form-item label="编号" prop="nid">
          <el-col :span="16">
            <el-input v-model="news.nid" placeholder="请填入编号" clearable/>
          </el-col>
        </el-form-item>
        <el-form-item label="标题" prop="ntitle">
          <el-col :span="16">
            <el-input v-model="news.ntitle" placeholder="请填入标题"/>
          </el-col>
        </el-form-item>
        <el-form-item label="描述" prop="nionent">
          <el-col :span="16">
            <el-input type="textarea" :rows="5" v-model="news.nconent" placeholder="请输入描述" />
          </el-col>
        </el-form-item>
        <el-form-item label="管理员">
          <el-col :span="12">
            <el-select v-model="news.ano" placeholder="请选择管理员编号">
              <el-option v-for="(admin,index) in alladmin" :key="admin.ano" :label="admin.aName" :value="admin.ano"/>
            </el-select>
          </el-col>
        </el-form-item>

      </el-form>
      <el-row>
         <el-col :span="12">
         <span>&nbsp;</span></el-col>
        <el-col :span="6">
           <span><el-button type="primary" @click="editNews('editNewsForm')">注册</el-button></span>
        </el-col>

    </el-row>
      </el-dialog>
    </div>
</template>

<script>
  import api from "../../../../axios/api"
  import rules from "../../../../static/js/validator/rules.js"
    var initfavOption = [];
    export default {
        name: "editNews",
      data() {
        return {
          news: {nid: "", ntitle: "", nconent:"", nimg:"",ano:""},
          addNewsRules:{ntitle:[{required:true,message:"标题不能为空",trigger:"blur"},{max:10,min:2,message:"长度不符合条件",trigger: "blur"},{trigger: "blur",validator:rules.FormValidate.Form().validateTitle}],
            nid:[{required:true,message:"编号不能为空",trigger:"blur"}]},
          alladmin: [{ano: 0, "aName": "001"}, {ano: 1, "aName": "002"}, {ano: 2, "aName": "003"}],
          dto:"",
          editDialogIsShow:false
        }
      },
      methods: {
         validateName:function(rule,value,callback){
           console.log(rule);
           if(value==1) {
              callback(new Error("1不正常"));
           }else{
             callback();
           }
  },
        init(news) {
          this.editDialogIsShow = true;
          this.news = news;
          console.log(news);
        },
        handleCheckAllChange(val) {
          this.news.favs = val ? initfavOption : [];
          this.isIndeterminate = false;
        },
        handleCheckedFavsChange(value) {
          let checkedCount = value.length;
          this.checkAll = checkedCount === this.favs.length;
          this.isIndeterminate = checkedCount > 0 && checkedCount < this.favs.length;
        },
        //关闭页面
        handleClose() {
          this.editDialogIsShow = false;
          //给父组件传参
          this.$emit("editDialogIsShow", this.editDialogIsShow);
        },
        editNews:function(editNewsForm){
          this.$refs[editNewsForm].validate(valid => {//此处refs对象和标签上的ref对应
            if (valid) {
              //如果通过验证 to do...
              console.log(this.news);
              alert(this.news.ntitle+"修改成功");
              this.handleClose();
            } else {
              console.log('error submit!!')
              return false
            }
          });

        },
        //关闭页面
        handleClose() {
          this.editDialogIsShow = false;
          //给父组件传参
          this.$emit("editDialogIsShow", this.editDialogIsShow);
        },
        setDataFromAxios:function(){
          //为什么要封装一下方法 1.每个vue组件有自己的一些参数处理，简化调用本来这个setDataFromAxios这个方法属于api 重新封装就属于当前页面
          api.setDataFromAxios("/news/edit",this.news,"post")
            .then(res=>{this.leagues = res.leagues});//.then方法 就是当服务器有返回的时候执行回调函数，对比jquery的ajax success:function（data）
        },
        updateView(e) {
          this.$forceUpdate();
        }

      },
      //监听
      watch: {
        editDialogIsShow(newValue, oldValue) {//配合:visible.sync监听变化
          this.editDialogIsShow = newValue;
        }
      },
      created() {
        for(var favindex=0;favindex < favOptions.length;favindex++){
          initfavOption.push(favOptions[favindex].name);
        }
      }
    }
</script>
<style scoped lang="stylus">
 .newsForm
   margin 0 auto
   width 1000px
   text-align left
</style>
